GitHub revealed today that an attacker is using stolen OAuth user tokens (originally issued to Heroku and Travis-CI) to download data from private repositories. Since the campaign was first discovered...
AD-DC rectification, precision rectification:1. What are the differences between a rectifier bridge, four diode rectification, and op amp rectification?2. After rectification, why is the positive half...
In the development of MCU embedded systems, debugging is essential. For some developers who lack expensive debugging equipment, they need to find another way. Therefore, serial port debugging componen...
Siemens S7-200 smart and S7-1200 are two PLC product series launched by Siemens for industrial automation control systems. Although they both belong to Siemens' S7 series, there are some difference...[Details]
In 2019, State Grid Ningxia Electric Power Co., Ltd. started construction of 110 kV and above power grid projects with a total length of 545.32 kilometers and 2.543 million kilovolt-amperes, and pu...[Details]
NPN transistor NPN transistor is composed of three semiconductors, two N-type and one P-type semiconductor, the P-type semiconductor is in the middle and the two N-type semiconductors are on both...[Details]
This article mainly discusses the impact of antenna crosstalk impairments, phase noise and timing errors on
MIMO
downlink system performance, as well as fault diagnosis techniques usin...[Details]
I am learning embedded Linux using Weidongshan's JZ2440 development board, which provides rich uboot functions Download bare board program: Without uboot, you can only use openJTAG or J-link to d...[Details]
The electronic fish-killing device is a new type of fishing tool. It can stun scaled and scaleless fish, turtles, frogs, etc. The bigger the fish, the better the effect. However, it is ineffective fo...[Details]
On the afternoon of March 22, smartphone brand realme held a new product launch conference and officially launched its new performance-focused mobile phone, the realme GT Neo3. The phone adopts...[Details]
Recently, Jingjiawei stated in an institutional survey that since the successful development of JM7200, it has completed the adaptation work with major domestic CPU and operating system manufacturer...[Details]
In recent years, with the development of society, PLC programmable controllers have been widely used in industrial production. At the same time, the requirements of technicians for their use are al...[Details]
While China's economy is developing rapidly, many environmental problems have also emerged, such as automobile exhaust caused by the increasing number of private vehicles, noise pollution caused by t...[Details]
A new vivo phone was recently registered with the Ministry of Industry and Information Technology. The phone supports up to 33W charging and is expected to be the upgraded version of vivo X60t, ...[Details]
For chip voltage regulator diodes 12V with a voltage regulation value below 12V, use the MF47 multimeter to directly measure its voltage regulation value. The measurement method is: set the multime...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
With the development of wearable smart devices, especially medical wearable smart devices, they mainly rely on MEMS sensors to detect various body information of the wearer. So what are MEMS sens...[Details]
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